Climate Control

Symptom Troubleshooting Index

 21-107  

4-door

Symptom Diagnostic procedure Also check for
Recirculation control doors do not change between Fresh and Recirculate Recirculation Control Motor Circuit Troubleshooting (see page 21-142)
  • Blown fuse No. 14 (10A) in the under-dash fuse/relay box
  • Cleanliness and tightness of all connectors
The blower motor does not run immediately even through the engine is fully warmed up

NOTE: The temperature control dial must be set between 18°C (64°F) and 32°C (90°F)

 ECT Sensor Circuit Troubleshooting (see page 21-145) Cleanliness and tightness of all connectors
Both heater and A/C do not work Climate Control Power and Ground Circuits Troubleshooting (see page 21-146)
  • Blown fuse No. 14 (10A) in the under-dash fuse/relay box
  • Poor ground at G502
  • Cleanliness and tightness of all connectors
Condenser fan does not run at all (but radiator fan runs with the A/C on) Condenser Fan Circuit Troubleshooting (see page 21-74)
  • Blown fuse No. 1 (20A) in the under-hood fuse/relay box and No. 14 (10A) in the under-dash fuse/relay box
  • Poor ground at G201
  • Cleanliness and tightness of all connectors
Both fans do not run with the A/C on Radiator and Condenser Fans Common Circuit Troubleshooting (see page 21-75)
  • Blown fuse No. 1 (20A) and No. 4 (20A) in the under-hood fuse/relay box and No. 14 (10A) in the under-dash fuse/relay box
  • Poor ground at G201
  • Cleanliness and tightness of all connectors
Compressor clutch does not engage Compressor Clutch Circuit Troubleshooting (see page 21-76)
  • Blown fuse No. 1 (20A) in the under-hood fuse/relay box and No. 14 (10A) in the under-dash fuse/relay box
  • Cleanliness and tightness of all connectors
A/C System does not come on (both fans and compressor) A/C Pressure Switch Circuit Troubleshooting (see page 21-147) Cleanliness and tightness of all connectors